Home / 358,907.21-495,314.02-197,762.22

Finding the Fourth Proportional to 358,907.21, 495,314.02 and 197,762.22

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Solution

The fourth proportional to 358,907.21, 495,314.02 and 197,762.22 is: 272,924.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,907.21 : 495,314.02 = 197,762.22 : x
  2. Step 2: Convert to fraction form
    358,907.21/495,314.02 = 197,762.22/x
  3. Step 3: Cross multiply
    358,907.21x = 495,314.02 × 197,762.22
  4. Step 4: Simplify right side
    358,907.21x = 97,954,400,192.32
  5. Step 5: Solve for x
    x = 97,954,400,192.32/358,907.21
  6. Step 6: Final answer
    x = 272,924.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.